Hi-Yield Atrazine Weed Killer Concentrate
Hi-Yield Atrazine Weed Killer Concentrate

Hi-Yield Atrazine Weed Killer Concentrate

VPG

Hi-Yield Atrazine Weed Killer Concentrate

Hi-Yield Atrazine Weed Killer Concentrate is a pre-emergent and post-emergent liquid herbicide that controls the toughest of weeds in St. Augustinegrass or Centipedegrass.
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Hi-Yield Atrazine Weed Killer Concentrate, manufactured by VPG, is a liquid herbicide that uses atrazine to control various types of weeds and pre-emergent weeds in warm-seasoned turf.

Easy to use, this herbicide will quickly eliminate and suppress hard-to-control weeds like Dollarweed, Chickweed, and more during seasons of growth or dormancy in St. Augustine or Centipedegrass. It is taken up by roots and foliage contact and moves to areas of new growth to stop weeds in their tracks.

Hi-Yield Atrazine Weed Killer Concentrate is perfect for residential lawns and can be applied twice a year for year-round control.

Tools Needed

Hi-Yield Atrazine Weed Killer Concentrate can be applied with a hand-held sprayer, backpack sprayers, or a hose end sprayers.

How to Use

  • Step 1: Determine how much Hi-Yield Atrazine Weed Killer Concentrate to use by measuring the square footage of the treatment area. To do this, measure the treatment areas length and width in feet then multiply them together (length X width = square footage).  A general application will use 4.3 fluid ounces of Hi-Yield Atrazine Weed Killer Concentrate to 1 gallon of water for 500 square feet. The maximum rate per application on turfgrass (including lawns) is 8.6 fluid ounces of product per 1,000 square feet. A maximum of two applications per year is permitted.
  • Step 2: For a 1-gallon sprayer, begin filling halfway with water, and add the measured amount of Hi-Yield Atrazine Weed Killer Concentrate to the sprayer. Fill your sprayer the rest of the way with the remaining half of water and agitate thoroughly.
  • Step 3: To begin spraying the Hi-Yield Atrazine Weed Killer Concentrate mixture, point your nozzle in the direction you want to spray. Spray evenly to the area to be treated. Avoid rainfall or water for 3 days after application as it may decrease the effectiveness on emerged weeds. For control of pre-emergent weeds, rainfall or watering is necessary within 7 to 10 days after treatment.

Where to Use

Hi-Yield Atrazine Weed Killer Concentrate may be used on healthy St. Augustinegrass and Centipedegrass.

Do not use over-rooting areas of trees, ornamentals, vegetables, or other desirable plants other than the indicated turfgrasses.

When to Use

Hi-Yield Atrazine Weed Killer Concentrate performs the best when applied in early spring and early fall when weed activity starts to rise.

Do not apply when weather conditions favor drift from treated areas as accidental injury my occur on non-target plants. Additionally, Hi-Yield Atrazine Weed Killer Concentrate may be applied during the summer but is limited to spot treatments only.

Do not apply this product to turfgrass that is under heat or drought stress and reasonably free of infestations of insects, nematodes, and diseases. 

Safety Information

Hi-Yield Atrazine Weed Killer Concentrate is safe to use around children and pets when applied according to the product label instructions. Always wear the proper personal protective equipment (PPE) when mixing and applying this product.

Do not allow people or pets to enter the treated area until sprays have dried.

Special Considerations

Do not replant treated areas (except with listed turfgrass) within 12 months after treatment with Hi-Yield Atrazine Weed Killer Concentrate or injury may result. 

AvailabilityOnline
Restricted UseNo
Shipping Restrictions32 Ounce: AK, CA, CT, HI, IN, ME, MI, NY, OR, RI, SC, VT, WA
BrandVPG
Keith's Pro Tips"Applying Hi-Yield Atrazine Weed Killer Concentrate when temperatures are over 90°F can lead to turf injury, wait a few days for things to cool off to protect your turf from further added stress."
Product DrawbacksHi-Yield Atrazine Weed Killer Concentrate can only be used on St. Augustine and Centipedegrass.
Target PestsAnnual Bluegrass (Poa annua), Chickweed (Common and Mouseear), Crabgrass (suppression only), Cransbill, Cudweed, Dichondra, Florida Betony, Henbit, Knotweed, Lespedeza, Moneywort, Mustards, Narrowleaf Vetch, Parsley-Piert, Pennywort (Dollarweed), Sandspur, Smutgrass, Spurge, Spurweed, Swinecrest, Woodsorrel and various annual clovers.
Application EquipmentBackpack Sprayer, Hose End Sprayer, Pump Sprayer
Application MethodsSpot Treatment
Active IngredientAtrazine 4.00% and Related compounds 0.08%.
Product TypeHerbicide
FormulationEmulsifiable Concentrate (EC)
Application RateFor a general application of Hi-Yield Atrazine Weed Killer Concentrate, you will use 4.3 fluid ounces of product to 1 gallon of water for 500 square feet.
Shelf LifeHi-Yield Atrazine Weed Killer Concentrate will last up to 3 years when stored in its original container within a cool, dry environment that can be locked up out of reach of children and pets.
YieldOne quart of Hi-Yield Atrazine Weed Killer Concentrate will treat 3,720 square feet.
Use SitesOutdoors
Time to KillResults will generally be seen several days after application of Hi-Yield Atrazine Weed Killer Concentrate. A follow-up application is not necessary until 6 months have passed after the first treatment.
Comparable ProductsHi-Yield Atrazine Weed Killer RTS, Atrazine 4L Herbicide
Incompatible Grass Types Bentgrass, Kentucky Bluegrass, Fescue, Fine, Fescue, Tall, Ryegrass
Incompatible Home SidingBrick, Hardie Plank, Stone Veneer, Wood, Vinyl
EPA Registration #855-270-4776
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10/9/23
Thomas Garner
Verified Buyer
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Great product, competitively priced, and promptly delivered. I would purchase from Solutions again!
More Information
Restricted Use No
Shipping Restrictions AK, CA, CT, HI, IN, ME, MI, MN, NY, OR, RI, SC, VT, WA
Availability Online
Signal Word CAUTION
Keith's Pro Tip "Applying Hi-Yield Atrazine Weed Killer Concentrate when temperatures are over 90°F can lead to turf injury, wait a few days for things to cool off to protect your turf from further added stress."
Target Pests Multi Annual Bluegrass, Annual Clover, Chickweed, Common Chickweed, Crabgrass, Cransbill, Cudweed, Dichondra, Dollarweed, Florida Betony, Henbit, Knotweed, Lespedeza, Moneywort, Mouseear Chickweed, Narrowleaf Vetch, Parsley Piert, Pennywort, Pennywort_Dollarweed, Poa Annua, Sandspur, Smutgrass, Spurge, Spurweed, Swinecress, Woodsorrel, Mustard
Time to Kill Results will generally be seen several days after application of Hi-Yield Atrazine Weed Killer Concentrate. A follow-up application is not necessary until 6 months have passed after the first treatment.
Chemical Type Herbicide
Formulation Emulsifiable Concentrate (EC)
Application Methods Spot Treatment
Product Drawbacks Hi-Yield Atrazine Weed Killer Concentrate can only be used on St. Augustine and Centipedegrass.
Active Ingredient Atrazine 4.00% and Related compounds 0.08%.
Application Equipment Backpack Sprayer, Hose End Sprayer, Pump Sprayer
Mix Rate For a general application of Hi-Yield Atrazine Weed Killer Concentrate, you will use 4.3 fluid ounces of product to 1 gallon of water for 500 square feet.
Low Use Rate 5 teaspoons/100 square feet.
High Use Rate 17.6 fluid ounce/2,000 square feet.
Use Sites Outdoors
Yield One quart of Hi-Yield Atrazine Weed Killer Concentrate will treat 3,720 square feet.
EPA Registration No. 855-270-4776
Shelf Life Hi-Yield Atrazine Weed Killer Concentrate will last up to 3 years when stored in its original container within a cool, dry environment that can be locked up out of reach of children and pets.
Comparable Products Hi-Yield Atrazine Weed Killer RTS, Atrazine 4L Herbicide
Children or pets? No
Property Characteristics None
Questions and Answers
  1. Q:Is this safe to use on Zoysia grass?
    9/20/23
    A:Hi-Yield Atrazine Weed Killer Concentrate cannot be used on Zoysiagrass. This product can only be used on healthy St. Augustinegrass and Centipedegrass.

    Amanda Chavez

    9/20/23
    Certified Buyer
  2. Q:Can I spray this on Bermuda?
    7/14/23
    A:I have St Augustine grass but I'm pretty sure that you should not use on Bermuda grass. Hope this helps...

    Jose Otero

    7/14/23
    Certified Buyer
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